Abbildungen dienen nur als Referenz
TPS70445PWP
+StücklisteIC REG LINEAR 3.3V/1.2V 24HTSSOP
-
HerstellerTexas Instruments
-
Herstellerteil #TPS70445PWP
-
Paket HTSSOP-24
-
Auf Lager3111
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tube |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 2 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 3.3V, 1.2V |
| Voltage Dropout (Max) | 0.25V @ 1A, - |
| Current - Output | 1A, 2A |
| Current - Quiescent (Iq) | 250 µA |
| PSRR | 65dB (1kHz), 60dB (1kHz) |
| Control Features | Enable, Power Good, Reset, Sequencing |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features include low dropout voltage, ensuring efficient operation even with minimal input voltage headroom, and robust protection mechanisms such as over-current and over-temperature shutdown to enhance reliability. It supports an input voltage range typically from 2.7V to 6.5V and offers adjustable output voltages, making it adaptable to various application needs.
The TPS70445PWP also includes a power-up sequencing capability, which is crucial for applications where the order of powering circuits is important. Its small package size and thermal efficiency make it suitable for compact and high-performance designs. This regulator is commonly used in telecommunications, networking equipment, and portable electronics.
Equivalent
1. Microchip MCP1725 - Offers dual LDO outputs with similar voltage and current specifications.
2. Analog Devices ADM7160 - Provides competitive low-dropout performance in dual configurations.
3. ON Semiconductor NCP1117 - A widely used LDO regulator with similar specs.
When selecting an equivalent, consider voltage, current ratings, dropout voltage, and package compatibility. Always verify specific application requirements.
Features
1. Dual Output: Supports two separate voltage outputs, typically used to power digital and analog circuits independently.
2. Low Dropout Voltage: Ensures efficient power regulation with minimal voltage drop across the regulator, enhancing efficiency and battery life.
3. High Accuracy: Provides precise voltage regulation crucial for sensitive electronic components.
4. Low Noise: Produces minimal output noise, making it suitable for powering noise-sensitive applications.
5. Output Current: Capable of delivering up to 1A per channel, suitable for a range of applications.
6. Thermal Shutdown: Protects the device from overheating by shutting down the output when excessive temperature is detected.
7. Overcurrent Protection: Prevents damage from short-circuits or excessive current draw.
8. Power-Save Mode: Includes a low-power mode for energy-efficient operation.
9. Package: Available in a PowerPAD™ package for improved thermal performance.
These features make the TPS70445PWP ideal for applications requiring efficient and reliable power management with dual-output capabilities.
Pinout
The key functions of the pins include:
1. Input Pins: For supplying the input voltage to the regulators.
2. Output Pins: For the regulated outputs.
3. Enable Pins: To enable or disable each of the outputs.
4. Reset Pins: For reset functionality to indicate when the output voltage is within a specified range.
5. Ground Pins: Common ground for the device.
This configuration provides flexibility and control in power management applications. For specific pin assignments and detailed functionality, referring to the device's datasheet is recommended.
Manufacturer
Application
1. Telecommunications: Provides stable power for network devices and communication equipment.
2. Consumer Electronics: Used in devices like TVs and gaming consoles for reliable power supply.
3. Industrial Equipment: Powers sensors and control systems requiring efficient power management.
4. Computing: Regulates power in servers, desktops, and laptops.
5. Medical Devices: Ensures stable operation of sensitive equipment requiring reliable power.
6. Automotive Electronics: Supports infotainment systems and other electronics needing precise voltage control.